Category: Resources

Tracing the Historical Development of Far-UVC Light Sources

Microscope looking at infectious diseases

The story of Far-UVC light technology is one of innovation, perseverance, and scientific discovery. To understand its present-day applications and potential, it’s essential to delve into its historical development, tracing the journey from its conceptual beginnings to its current state of advancement. The concept of using ultraviolet light for disinfection dates back to the late […]

Mold study highlights safer Far-UVC light cleaning alternative

Mold spores, macro. Mould light, yellow, transparent

Research suggests that to prevent common mold growth, low-dose Far-UVC light could be applied as a chemical-free addition to manual cleaning of indoor surfaces. A recent study has determined that intermittent low-intensity Far-UVC light can inhibit mold growth below the threshold limit value of 23 mJ/cm2. At 222nm, Far-UVC light was shown to prevent development of […]

Air and Surface Treatment Using Germicidal Ultraviolet-C (GUV)

Germicidal ultraviolet lamp glows on a rough wall

GUV technology has the potential to contribute significantly to lower pathogen concentrations on surfaces and in the air in many areas of human activities, in food supply and yet to be discovered areas. Consequently, this is expected to lower pathogen transmission and, therefore, infections. However, based on its limitations as a photonic technology, an honest […]

The effects of Far-UVC light for the potential benefit of public health

Dr David Brenner, the Director of the Center for Radiological Research at Columbia University, discusses the work that he and other scientists have done over the last several years around the effects of Far-UVC light for the potential benefit of public health. We are honored to have him on Lit Thinking’s Science Advisory Board.  Learn […]

Interview with Dr. David Brenner of Columbia University on Far-UVC 222-nm and the COVID pandemic

The recognition that respiratory pathogens which cause COVID-19 were transmitted through airborne mechanisms was a critical insight into the nature of the disease and the need to decontaminate airborne spaces to eliminate these pathogens. From a technological perspective, the work by Dr. David Brenner and colleagues at Columbia University’s Center for Radiological Research in recent […]

Health Care Institutions: Disinfection Lighting Can Help Address Three Key Challenges

Team of doctors concentrating on a patient during a surgery in hospital

Disinfection ultraviolet lighting solutions can be a cost effective and immediate way to help mitigate Healthcare-associated infections (HAIs) resulting from airborne and surface contaminates. An exciting, new technology, 222 nm UV-C, with the ability to treat a wide range of contaminants, has recently entered the market. Independently tested to be both safe and effective in […]

Experimental Study of the Disinfection Performance of a 222-nm Far-UVC Upper-room System on Airborne Microorganisms in a Full-Scale Chamber

Medical concept of UV-C light disinfection.

222-nm Far-UVC light is an emerging and promising tool for rapidly inactivating airborne pathogens. This study evaluated the performance of a 222-nm Far-UVC upper-room disinfection system with a 15 W Far-UVC lamp in a full-scale chamber (11.9 m3). One gram-positive bacteria, namely Staphylococcus epidermidis and two gram-negative bacteria, namely Escherichia coli and Salmonella enterica were selected for the experiments. The results showed that both UV inactivation […]

Recommended Air Flow and Exchange for Minimum Quality Air (EPA)

Indoor Air Quality (IAQ) refers to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants.

US EPA / January 2023 “ASHRAE recommends that homes receive 0.35 air changes per hour but not less than 15 cubic feet of air per minute (cfm) per person as the minimum ventilation rates in residential buildings in order to provide IAQ that is acceptable to human occupants and that minimizes adverse health effects.” Link […]

A New Method of Pasteurization for Food: UV Radiation for Food Safety

Ultraviolet (UV) irradiation has emerged as a promising technology for food processing under real-world conditions.

Chemical Engineering Journal / January, 2023 “The application of ultraviolet (UV) light in the food industry has held great promise for a long time. UVC light (200–280 nm) possesses excellent germicidal properties to inactivate a wide range of microbial pathogens (e.g., bacteria, fungi, yeasts, molds, and viruses).” Link to article.

Study Demonstrates No Skin Damage After Long Term Use of Far-UVC

No evidence of skin cancer after long-term (66 week) chronic exposure to 222-nm Far-UVC radiation.

Photochemistry and Photobiology / January, 2023 “The findings from this study support the long-term safety of long-term chronic exposure to far-UVC radiation, and therefore its potential suitability as a practical anti-microbial approach to reduce airborne viral and bacterial loads in occupied indoor settings.” Link to article. 

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*Efficacy based on independent laboratory testing. Learn more about safety and efficacy here. 

All references to sanitization or sanitize are referring generally to bioburden reduction and are not intended to refer to any specific definition of the term as may be used for other purposes by the U.S. Food and Drug Administration or the U.S. Environmental Protection Agency. The UV disinfection technology in Lit Thinking™ products is an EPA pesticide device intended for bioburden reduction in the air and on surfaces, not a replacement for physical cleaning. Lit Thinking™ products are not medical devices and are not intended to diagnose, treat, cure, mitigate or prevent disease, nor have they been evaluated or cleared by the FDA. 

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Contact Us

(321) 299-0100
customerservice@litthinking.com

3259 Progress Drive,
Orlando, Florida. 32826

Dr. Shashwat Rathkanthiwar

Director, MOCVD Research
Dr. Shashwat Rathkanthiwar is a seasoned material scientist and prolific researcher with over a decade of expertise in III-nitride semiconductors. His groundbreaking approach integrates semiconductor materials science, physics and electronics, envisioning revolutionary advancements in electronic, optical, quantum, and critical device technologies. Dr. Rathkanthiwar will spearhead the research on Metalorganic Chemical Vapor Deposition (MOCVD) of ultrawide bandgap nitride semiconductors, enabling far-ultraviolet optoelectronics and kV-class power electronics. 
 
Dr. Rathkanthiwar earned his undergraduate degree in Metallurgical and Materials Engineering from Visvesvaraya National Institute of Technology, Nagpur, India, shifting gears to Nano Science and Engineering for his doctorate at the Indian Institute of Science, Bengaluru, where his thesis focused on III-nitride ultraviolet photodetectors. His postdoctoral tenure at North Carolina State University’s WideBandgaps Laboratory honed his expertise in epitaxially grown nitride semiconductors on native substrates, addressing doping, point defect management, and strain relaxation. 
 
With 31 journal publications, 80 international conference presentations, 1 patent, and over 15 invited talks, Dr. Rathkanthiwar’s contributions have garnered Editor’s Pick selections in Applied Physics Letters, alongside numerous awards and recognitions for research excellence, including Best Oral and Poster Presentations. Dr. Rathkanthiwar serves as an independent reviewer for 14 major journals and also chairs technical sessions at esteemed conferences such as American Conference on Crystal Growth and Epitaxy, Compound Semiconductor Week, Electronic Materials Conference, and Materials Research Society Meeting.

Braden C.

UCF Intern

My experience at Lit Thinking has been very impactful towards my growth as an engineer. I started working here in the middle stage of the product development process and we now have a fully developed product that’s actively on the market. I have been able to work directly with the Director of Engineering, which has allowed me to understand what it means to be an engineer. As interns we get access to a broad range of engineering applications including mechanical, electrical, and manufacturing.

Juan C.

UCF Intern

My experience as an intern at Lit Thinking™ has been outstanding. There has been an immense improvement in my leadership, hands-on, teamwork, and problem-solving skills. Lit Thinking™ has helped me enhance my professional career as a Mechanical Engineering student at the University of Central Florida by working through the Engineering design process to develop Visium 1™

Juan

“My experience as an intern at Lit Thinking™ has been outstanding. There has been an immense improvement in my leadership, hands-on, teamwork, and problem-solving skills. Lit Thinking™ has helped me enhance my professional career as a Mechanical Engineering student at the University of Central Florida by working through the Engineering design process to assist with developing Visium™.”

Juan C.
University of Central Florida

Braden

“My experience at Lit Thinking™ has been very impactful towards my growth as an engineer. I started working here in the middle stage of the product development process and we now have a fully developed product that’s actively on the market. I have been able to work directly with the Director of Engineering, which has allowed me to understand what it means to be an engineer. As interns we get access to a broad range of engineering applications including mechanical, electrical, and manufacturing.”

Braden C.
University of Central Florida

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Josh Oelker

Director, Business Development - Commercial

Josh Oelker joins the Lit Thinking team as an accomplished sales and business development leader with over 15 years’ experience that includes nearly a decade of invaluable involvement in Germicidal Ultraviolet (GUV) solutions for a multitude of applications. His background involves building relationships and fostering revenue within many areas, such as Commercial buildings, HVAC, Healthcare, Education and Food processing, as well as with many channels, segments, and partnerships. In addition, Josh has worked with different types of GUV technologies, including Far UV, LED UV, Xenon pulse and PCO. 

Josh started his career in GUV at Steril-Aire, where he rose from a Regional Sales Manager to a National Sales Manager, responsible for the overall revenue of a 30-year-old UVC/IAQ company. During his time there, he created, developed and launched an IoT UVC Sensor and monitoring platform with a cloud-based dashboard that allows continual awareness and efficacy. He also co-authored white papers on UVGI efficacy for disinfection and UVC for Energy Savings/Sustainability. 

In his most recent role as Director of Business Development- HVAC at PURO, Josh established an HVAC distribution network for new and future products from scratch. He collaborated on expanding the company’s product portfolio of UVC HVAC options and gained invaluable experience with other UVC and IAQ technologies. 

Josh’s passion for GUV has led him to explore the diverse benefits of UV disinfection in partnership with the USDA, the University of Minnesota and international biosecurity researchers. As an Associate ASHRAE member and an industry-expert, Josh has given numerous PDH accredited presentations on the efficacy and application of GUV for safer, healthier and more efficient buildings. 

Wendy Walling

Director, Business Development - Healthcare

Wendy Walling joins the Lit Thinking team as a seasoned sales, marketing and business development professional with over 20 years’ experience that includes an invaluable background in Germicidal Ultraviolet (GUV) technologies for Healthcare applications. Her diverse background includes the development and launch of antimicrobial textiles under the trademark license of the Clorox Professional Products Group and a 12-year career as a Marketing and Communications leader with Cox Target Media, a subsidiary of Cox Enterprises.

 

In her most recent role as Global Director of Marketing at Intellego Technologies AB, Sweden, Wendy designed and built from the ground-up the company’s primary brand and business unit, UVC Dosimeters. She successfully expanded the company’s product portfolio of photochromic dose indicators for measurement of ultraviolet energy for 254 nm, 260-280 nm and 222 nm, and directly managed the company’s private-label business for customers in the US, Korea, Greece, South Africa, Colombia, Peru and the UK. In addition to developing UV auditing protocols for the largest healthcare system in the US, Wendy served as the host of Intellego’s thought-leadership video and podcast series, Making the Invisible VISIBLE, available on YouTube, Spotify and Apple Podcasts.

 

Wendy’s passion for the promotion and adoption of GUV technologies has garnered the attention and respect from peers at the International Ultraviolet Association where she is an active member of its Healthcare Task Force and GUV working groups. She has served as a member of the Global Biorisk Advisory Council, a Division of ISSA and a contributor to the 2022 GBAC Validation & Auditing Technology Guide.